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Treatment of categorical variables
Linear regression
Tells us what happens to the toutcoume variable (y) with a 1 unit increase in the predictor
(x), holding the other Xs constant (or controlling for the other predictors).
Outcome variable is always con

What is research?
Gathering data.
Three types of scholarly literature
Quantitative
Qualitative
Theoretical/conceptual
o Hard to summarize and judge quality of when youre new in the field
o These are frequently found in peer reviewed journals
o Often de

Regression and correlation in quantitative studies
Two types of regression studies
Both describe the relationships between variables.
Explanatory design
o Describes the relationship between the variables
o Accounting for the variation in the outcome var

Qualitative research
Big shift from the statistical rigors of quantitative.
Not trying to apply conclusions to the whole population. The goal is to describe well, or to more
fully investigate, a particular phenomenon, tendency, or trait.
Key words are per

Quantitative data collection
Vocab
o Unit of analysis
Individual? Class? Schools? Districts? Families?
o Population
Researcher defines the population of interest
A group of people who all share a characteristic
In the eye of the beholder
o Sample
Su